[ CVE-2021-30657 · Published 8 Sep 2021 ]
Apple macOS Unspecified Vulnerability
Exploited · CISA KEV CVSS 5.5
EPSS 69%No fix listed yet
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
- EPSS: 69% chance of exploitation in the next 30 days (higher than 99% of CVEs)
[ Description ]Official description
A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. A malicious application may bypass Gatekeeper checks. Apple is aware of a report that this issue may have been actively exploited..
CISA: Apple macOS contains an unspecified logic issue in System Preferences that may allow a malicious application to bypass Gatekeeper checks.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 17 Nov 2021): Apply updates per vendor instructions.
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- support.apple.com/en-us/HT212325Release NotesVendor Advisory
- support.apple.com/en-us/HT212326Release NotesVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogThird Party AdvisoryUS Government Resource